orcus | 911e3e95efddbae9d1c2f4b04027567c76823116755097b5868b7241c7e30cbc

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28-08-2024 15:53

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General

Target

Orcus.Administration.exe
Size

16.2MB
MD5

a6347e4e194adb6d2a3fae52598d8cdd
SHA1

aa06c496c20d6e04142d4a5205a032680a452a0d
SHA256

911e3e95efddbae9d1c2f4b04027567c76823116755097b5868b7241c7e30cbc
SHA512

2ee24604c0edbc09096e2344ca6c1f74b1067b9aff7f077d0b4e42cd8f51dd1116e98016e34f0a1d951fcdbc8bfed33b1709a9692ba95b3ea3cd84d9ce080922
SSDEEP

393216:3pC4606R60B8vYfZ9DfZ9DSK7SftLaeH+:sJOcPLPte

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcurs Rat Executable 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3068-1-0x0000000000DC0000-0x0000000001DFE000-memory.dmp	orcus

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2388	3068	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

Orcus.Administration.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Orcus.Administration.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Orcus.Administration.exe

description	pid	Process	procid_target
PID 3068 wrote to memory of 2388	3068	Orcus.Administration.exe	30
PID 3068 wrote to memory of 2388	3068	Orcus.Administration.exe	30
PID 3068 wrote to memory of 2388	3068	Orcus.Administration.exe	30
PID 3068 wrote to memory of 2388	3068	Orcus.Administration.exe	30

C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe
"C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 544
  2⤵
  - Program crash
  PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3068-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

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memory/3068-1-0x0000000000DC0000-0x0000000001DFE000-memory.dmp

Filesize
16.2MB

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